Variable-speed bobbin-winding machine.



T. THOMPSON. VARIABLE SPEED BOBBIN WINDING MACHINE.

APPLIGATION FILED JULY 5, 1913.

Patented Jan. 26, 1915.

3 SHEETS-SHEET 1.

T. THOMPSON. VARIABLE SPEEDBOBBIN WINDING MACHINE.

APPLICATION FILED JULY 5, 1913.

1,126,317. Patented Jan.26, 1915.

3 SHEETS-SHEET 2.

T. THOMPSON. VARIABLE SPEED BOBBIN WINDING MACHINE. APPLIGATION FILEDJULY 5, 1913.

1,126,317. Patented Jan.26,1915

8 SHEETS-SHEET 3.

THOMAS THOMPSON, OF PAWTUCKET, RHODE ISLANB, ASSIGNOR T0 AMERICANTEXTILE COMPANY, OF PAWTUQKET, RHODE ISLAND, A CORPORATION OF anonnISLAND.

VARIABLE-SPEED BOBBIN-WINDING MACHINE.

Specification of Letters latent.

Patented Jan. 26, 1915..

Application filed July 5, 1913. Serial No. 777,399.

To all whom it may concern Be it known that I, THOMAS THOMPSON, acitizen of the United States, residing at Pawtucket, in the countyofrProvidence and State of Rhode Island, have invented a new and usefulImprovement in Variable-Speed Bobbin-Winding Machines, of which thefollowing is a specification.

This invention relates to certain new and useful improvements invariable speed bobbin winding machines, and the object thereof is toprovide a machine of the type mentioned in which a large number ofbobbins may be uniformly wound in unison; to provide means whichpositively indicates the quantity of yarn wound on each bobbin, and toalso provide means to allow the indicating means to be moved back tozero and the yarn supplying drum rotated backwardly to enable themachine to wind a new set of bobbins.

Further, the invention aims to provide a novel and improved means foreffecting decrease-of the speed of rotation of the bobbins as thediameter of the yarn wound thereon increases.

In the drawings-Figure 1 is a top plan view of a machine constructed inaccordance with the invention. Fig. 2 is-a side elevation. Fig. 3 is anend elevation, partly broken away. Fig. 4 is a detail view, partly insection. Fig. 5 is a section taken on the line 5-5 of Fig. 4, and Fig 6is a section taken on the line 6-6 of Fig.1.

The end uprights 1 of the frame support the bed 2 of the machine, onwhich bed the several parts constituting the invention are looselymounted on the mounted.

A yarn supplying drum 3 is mounted on a shaft 6 that is journaled inbearin 4, the latter being supported from the bed 2, the drum beingarranged at right angles to a shaft 5 which shaft extends longitudinallyof the bed. x

The shaft 6 is provided with a worm 7 which meshes with a worm gear 8that is shaft 5. A spring pressed pawl 8 is carried by the worm ear 8and engages with a ratchet 9 that is rigidl secured tothe shaft 5,permitting the sha t 5 to be revolved independently o 7 and gear 8 in anobvious manner. The

rotation of the shaft 5 by the aforementioned the worm to havecorresponding movement for a purpose later herein set forth, the hand 10being actuated by any suitable gearing (not shown).

A driving shaft 12 has a fly wheel 13 on its outer end and is providedwith a loose pulley 14 and a fast pulley 15, the belt (not shown) beingshifted by a shipper 16, which may be controlled by a foot-operatedtreadle 17 that has suitable connections with the shipper 16. The shaft12 is mounted in bearings 18 and is permitted limited sliding movementsin said bearings, and is held in normal position by a spring 19 thatencircles shaft 12 and abuts a rigid collar 19 on the shaft and theoutermost bearing 18.

A cam member 20 is slidably secured to the shaft and is normally held bythe spring 1n engagement with the inner bearing 18, the cam memberhaving a cam face 21 which engages with a similar cam face 22 on acomplementary cam member 23 that is rotatable relative .to the shaft 12and abuts a collar 21 rigidly attached to shaft 12.

hand engaging member 25 is secured to the cam member 23 to permit ofmovement thereof relative to the cam member 20.

A friction disk 26 is rigidly attached to the inner end of the shaft 12and is engaged by a drive friction gear 27 that slides on and rotates ashaft 28 that is disposed at right angles to the shaft 12. The frictiongear 27 is circumferentially grooved at 29 and receives in said groovethe arms of the forked end 30 of a shipper 31.- The shipper 31 ismounted on the upright arm 32 of a slide 33 the latter having one endguided in a slotted member 34 and having a slot 35 in its other end, inwhich slot a projection 36 extends, which projection may be looselymounted on the inner end of the shaft 5. The shaft 5 has a cam 37thereon the tail of which engages with a roller 38 on the slide 33 inorder that the latter may be operated from the or yarn guide 41, whichhas its upper edge serrated to engage the threads and guide same, isattached to the bed 2 and serves to guide the yarn from the drum 3 tothe individual bobbins 39.

In operation, the shipper 16 is moved to the fast pulley 15 to therebyrotate the disk 26, which latter rotates the friction gear 27 andthereby the shaft 28 that carries the bobbins 39. The yarn is taken fromthe drum 3 and wound on the bobbins 39 by the movement of the latter.Rotation of the drum 3 effects movement of the shaft 5 by theaforementioned connections between the shafts 6 and 5, whereby theindicator hand is'moved to indicate the number of yards of yarn wound onthe bobbins. The movement of the shaft 5 causes the cam 37 thereof togradually move the slide 33 a ainst the action of its spring 33" outwardthus causing the friction gear 27 which is in connection with the slide33 to be moved inwardly relative to the periphery of the disk 26 so asto gradually decrease the speed of rotation of the shaft 28 and therebythat of the bobbins as the diameter of the bobbins increases due to theincreased winding thereon. To facilitate the removal of the bobbins andthe backward rotation of the drum, after a. predetermined amount ofthread has been wound on the bobbin, after cutting of the thread, thehandle 25 of the clutch is turnedto cause the cam member 23 to ride onthe cam face of the cam member 20, thus moving the disk 26 against thetension of the spring 19 away from the friction gear 27, whereupon thedrum may be rotated backwardly and the indicator reset. at zero.

Eefore operating the new layer or set of bob- Having thus described myinvention, I claim as new and desire to secure by Letters Patent 1. In adevice of the type set forth, a bed, a drum at one end of the bed, aworm connected to the drum, a'shaftat right angles to the drum having anindicator operatively connected thereto, a worm gear in mesh with theworm and loosely mounted 'on the shaft, a ratchet rigid on the shaft, aspring pressed. pawl carried by the worm gear of the shaft and being forengagement with the ratchet 2. In a device of the type set forth,driving-means including a disk, a pulley for engagement with the disk, ashaft to which the pulley is connected so as to slide thereon'but torotate the shaft therewith, a slide connected to the pulley so as toshift the same along the length of the shaft, a projection on the slide,a spring connected to the slide for moving the same inwardly, a yarncarrying drum, a shaft in operative connection with the drum andactuated by the movements of the latter, and a cam on the shaft whichengages the slide and governs the outward movement thereof.

3. In combination with a yarn supplying drum, a shaft operativelyconnected to the drum, a bobbin carrying shaft, a friction gear slidableon the second shaft forrrotating the same, means to drive the frictiongear, a slide having a projection connected to the friction gear forsliding the same on the shaft thereof, a cam on the first named shaftfor actuating the slide, and means to move the slide outwardly when thecam moves away from the projection on the slide.

4. In a bobbin winding machine, a yarn carrying drum, a shaft actuatedby the drum movements, a disk, a bobbin carrying shaft arranged parallelto the disk and having a slidable pulley engaged with the disk, a slideconnected to the pulley to move the latter radially of the disk, andmeans on the first named shaft to engage the slide to move same andtherewith the pulley radially of the disk.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

THOMAS THOMPSON.

Witnesses:

ADA E. HAGERTY,

J. A. Mnimn.

